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zipcodes.pro — ZIP/18603

18603

ZIP 18603 is Berwick, Pennsylvania, mostly in Columbia County; area codes 570 and 272; Eastern time.

Type
Standard
Time zone
America/New_York
County
Columbia +1 more
Population
18,827
Coordinates
41.0829, -76.2479
☼ Live from 18603 — Berwick, PA

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Local time: —

Where 18603 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 18603
  • 🔢 Type 18603 into a pocket calculator and turn it upside down: EOgBI — not quite a word, sorry.
  • ➕ As a number, 18,603 = 3 × 3 × 3 × 13 × 53. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100100010101011
  • 🏠 Its numerical neighbours: 18602 (Bear Creek, PA, 27 mi away) and 18610 (Blakeslee, PA, 37 mi away).
  • 🔄 Backwards, 18603 becomes 30681, which is not a ZIP code at all.
  • 👥 58 other ZIP codes are made of exactly the same digits (01368, 01863, 03816, 03861, 06138, 06183, …). The farthest-flung twin is 83610 in Cambridge, ID, 2,045 miles away.
  • 🧭 Farther north than 67% of all ZIP codes, and farther east than 84%.
  • 🎯1,174 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 18603 and you would come out at 41.08°S, 103.75°E — 920 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 08m of daylight. Shortest: 9h 13m.
  • 📏 At 53.4 square miles of land, 18603 is bigger than 61% of ZIP codes — room for about 41 Central Parks.
🌙 The sky over 18603 today
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🌋 Shake report
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Source: USGS.

People and housing

Population18,827This ZIP18,827
Households8,283This ZIP8,283
Housing units9,104This ZIP9,104
Median age45.3This ZIP45.3Pennsylvania40.9US 38.9
Median household income$60,352This ZIP$60,352Pennsylvania$77,971US $80,734
Median home value$170,500This ZIP$170,500Pennsylvania$254,500US $332,700
Median gross rent$810This ZIP$810Pennsylvania$1,209US $1,413
Bachelor's degree or higher22.1%This ZIP22.1%
Mean commute23.1 minThis ZIP23.1 min
Population density352.6 / sq miThis ZIP352.6 / sq mi

Business and tax activity

Business establishments410This ZIP410
Employees8,285This ZIP8,285
Annual payroll$455,849,000This ZIP$455,849,000
Tax returns filed9,060This ZIP9,060
Total adjusted gross income$516,900,000This ZIP$516,900,000

Land area

Land area53.40 sq miThis ZIP53.40 sq mi
Water area1.59 sq miThis ZIP1.59 sq mi

Counties 18603 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Columbia County 58.0%
Luzerne County 42.0%

Other place names in 18603

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 18603

ZIPCityDistance
18601 Beach Haven, PA 3.9 mi
18635 Nescopeck, PA 4.4 mi
18631 Mifflinville, PA 4.6 mi
17878 Stillwater, PA 7.5 mi
18655 Shickshinny, PA 7.6 mi
17859 Orangeville, PA 8.2 mi
18622 Huntington Mills, PA 8.3 mi
18611 Cambra, PA 8.5 mi
18246 Rock Glen, PA 9.1 mi
18249 Sugarloaf, PA 9.5 mi

Find every ZIP code within 10 miles of 18603 →

Questions about this ZIP code

Where is ZIP code 18603?

18603 is in Berwick, Pennsylvania, in Columbia County, part of the Bloomsburg-Berwick, PA micropolitan area. Its published point location is 41.0829, -76.2479.

What county is 18603 in?

18603 spans 2 counties: Columbia County and Luzerne County. Most of it falls in Columbia County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 18603?

Berwick uses area codes 570 and 272, from NANPA's telephone records.

What time zone is 18603 in?

18603 uses America/New_York.

How many people live in 18603?

About 18,827 people live in ZIP code 18603, in 8,283 households, at 352.6 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 18603?

$60,352 a year, against $77,971 across Pennsylvania.

What ZIP codes are near 18603?

The closest are 18601 (3.9 mi), 18635 (4.4 mi), 18631 (4.6 mi), 17878 (7.5 mi) and 18655 (7.6 mi).

Is 18603 a PO Box ZIP code?

18603 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “18603 ZIP Code — Berwick, Pennsylvania (Columbia County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/18603

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